Definition of acanonical in English:

acanonical

adjective

  • Not included in a canon, specifically the biblical canon; uncanonical.

Origin

Late 16th century; earliest use found in Robert Greene (bap. 1558, d. 1592), writer and playwright. From post-classical Latin acanonicus + -al.

Pronunciation:

acanonical

/ˌeɪkəˈnɒnɪkl/